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				 John waited at the bus-stop for nearly half an hour     the bus finally arrived .    A．when     B．a(chǎn)s      C．before     D．while			【查看更多】
			


		
           
          


		
          
		
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           John waited at the bus-stop for nearly half an hour           the bus finally arrived .
            
                 A．when       B．a(chǎn)s     C．before      D．while 
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
           
            
          John waited at the bus-stop for nearly half an hour           the bus finally arrived .
            
          A．when                        B．a(chǎn)s                      C．before                D．while
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
             John waited at the bus-stop for nearly half an hour _____ the bus finally arrived .
            
                   A. when  B. as        C. before         D. while 
          

			
          
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           John waited at the bus-stop for nearly half an hour _____ the bus finally arrived .

          1. A.
            when
          2. B.
            as
          3. C.
            before
          4. D.
            while
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          John waited at the bus-stop for nearly half an hour           the bus finally arrived .
            
                 A．when       B．a(chǎn)s     C．before      D．while 
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


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